4. The wheel and axle depicted is used to raise a load with a mass of 200 kg. If the load radius is 20 cm, and the effort radius is 50 cm, the effort needed to raise the load is: a. 2.5 N b. 50.0 N c. 80.0 kg d. 749 N load effort
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- A 17N of force is applied on the door handle at 90 degrees. Lever arm is measured to be 5 cm. Torque produced on the door is calculated to be A. 0 Nm B. 85 Nm C. 8.5 Nm D. 0.85 Nm1-210. DETAILS MY NOTES ASK YOUR TEACHER A tire is tied to a rope that is tied to the branch of a tree so that the tire swings in a circular trajectory of radiush, = 15.75 m. A child takes the tire to the top of a platform that is a height h, = 12.80 m above the ground, sits in the tire, and swings from rest from the platform. The combined mass of the tire and child is 40.3 kg. The rope is taut when the child leaves the platform and you may neglect the mass of the rope. At the bottom of the circular trajectory, the child and tire are a height h, = 0.85 m above the ground. , you must include a diagram showing the physical situation. (a) Calculate the speed of the child/tire at the bottom of the circular trajectory. m/s (b) Calculate the maximum tension in the rope as the child/tire swing back and forth. N h2
- QUESTION 9 The next 6 questions are 'open-ended'. You only need to do 5 of them. In question 15 I will ask which 5 you want me to grade. You must upload the scratch paper you used for these questions after you finish the text. A simple pulley system consists of two masses connected by a thin rope. Mass A, 5.0 kg, is initially on the floor, and mass B, 10.0 kg, is initially 2.00 m in the air. If the system is released from rest, what is the speed with which mass B hits the floor? You can ignore friction. 2.00 m Enter the speed in meters per second -- only type in the number (do not include the 'm/s'). Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All a P Type here to searchWeights are gradually added to a pan until a wheel of mass M and radius R is pulled over an obstacle of height h, as shown below. What is the minimum mass of the weights plus the pan needed to accomplish this? R F hTEXT ANSWER Question 22 When Jenny couldn't lift a box by herself, she decided to use a lever to move it. She placed a fulcrum 1.6 m away from the box and used a 2.0 m lever to try to lift the box. Her effort was still unsuccessful. Explain why Jenny was unable to lift the box with her lever, and sug- gest a way she can adjust the lever to improve her chances of success. Use math to support your answer.
- In the figure, what magnitude of force F applied horizontally at the axle of the wheel is necessary to raise the wheel over an obstacle of height h 0.225 m? The wheel's radius is r = 0.747 m and its mass is m = 1.14 kg. Number Units the tolerance is +/-5% Click if you would like to Show Work for this question: Open Show Work Question Attempts: 0 of 10 used SAVE FOR LATER SUBMIT ANSWER Privacy Policy I 9 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.24.20.1Determine the additional mass required for stable equilibrium. Meter stick: Xcm = 50.0 cm, m = 150.0 g. Hanger clamp: x= +0.0 cm, m = 16.5 g. (see the figure below) Xec 0.0 cm *** Xfulcrum = 20.0 cm Xcm = 50.0 cm Fee Fe7) A light (massless) rod of length L = 1.5 m is freely pivoted at one end. Three forces act as shown in the figure below. The force F3 acts at the midpoint. What is the torque due to each force? Take F1 = 6.90 N, Fz = 4.00 N, F3 = 2.00 N, 0 = 20°, and a = 30° Look at picture draw picture and show all work looking for equations
- Physics sample problems about vectors. Thought I knew how to do them but keep getting wrong answers.OO O O ABC * Question 4 A screw driver acts as a lever when used to open a paint can, If Juan applies a force of 25 N to the handle of the screwdriver. What mechanical advantage does the screwdriver provide if it applies a force of 350 N to the lid? 0.08 14 325 375 O Time Remaining: 1 hour, 7 minutes Ozu Iluminate EducationTM Inc. O9 0 12:41 C esc backs & # $ % 9. @ 7 8. 3 4 213 Which is INCORRECT among the following statements? The counterpart of torque in translational motion is force. The counterpart of work in translational motion is mass. Dynamics for rotational motion is analogous to translational dynamics None of the above